Linux/net/mac80211/he.c

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

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1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 2 /* 3 * HE handling 3 * HE handling 4 * 4 * 5 * Copyright(c) 2017 Intel Deutschland GmbH 5 * Copyright(c) 2017 Intel Deutschland GmbH 6 * Copyright(c) 2019 - 2023 Intel Corporation !! 6 * Copyright(c) 2019 - 2020 Intel Corporation 7 */ 7 */ 8 8 9 #include "ieee80211_i.h" 9 #include "ieee80211_i.h" 10 10 11 static void << 12 ieee80211_update_from_he_6ghz_capa(const struc << 13 struct link << 14 { << 15 struct sta_info *sta = link_sta->sta; << 16 enum ieee80211_smps_mode smps_mode; << 17 << 18 if (sta->sdata->vif.type == NL80211_IF << 19 sta->sdata->vif.type == NL80211_IF << 20 switch (le16_get_bits(he_6ghz_ << 21 IEEE8021 << 22 case WLAN_HT_CAP_SM_PS_INVALID << 23 case WLAN_HT_CAP_SM_PS_STATIC: << 24 smps_mode = IEEE80211_ << 25 break; << 26 case WLAN_HT_CAP_SM_PS_DYNAMIC << 27 smps_mode = IEEE80211_ << 28 break; << 29 case WLAN_HT_CAP_SM_PS_DISABLE << 30 smps_mode = IEEE80211_ << 31 break; << 32 } << 33 << 34 link_sta->pub->smps_mode = smp << 35 } else { << 36 link_sta->pub->smps_mode = IEE << 37 } << 38 << 39 switch (le16_get_bits(he_6ghz_capa->ca << 40 IEEE80211_HE_6GH << 41 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH << 42 link_sta->pub->agg.max_amsdu_l << 43 break; << 44 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH << 45 link_sta->pub->agg.max_amsdu_l << 46 break; << 47 case IEEE80211_VHT_CAP_MAX_MPDU_LENGTH << 48 default: << 49 link_sta->pub->agg.max_amsdu_l << 50 break; << 51 } << 52 << 53 ieee80211_sta_recalc_aggregates(&sta-> << 54 << 55 link_sta->pub->he_6ghz_capa = *he_6ghz << 56 } << 57 << 58 static void ieee80211_he_mcs_disable(__le16 *h << 59 { << 60 u32 i; << 61 << 62 for (i = 0; i < 8; i++) << 63 *he_mcs |= cpu_to_le16(IEEE802 << 64 } << 65 << 66 static void ieee80211_he_mcs_intersection(__le << 67 __le << 68 { << 69 u32 i; << 70 u16 own_rx, own_tx, peer_rx, peer_tx; << 71 << 72 for (i = 0; i < 8; i++) { << 73 own_rx = le16_to_cpu(*he_own_r << 74 own_rx = (own_rx >> i * 2) & I << 75 << 76 own_tx = le16_to_cpu(*he_own_t << 77 own_tx = (own_tx >> i * 2) & I << 78 << 79 peer_rx = le16_to_cpu(*he_peer << 80 peer_rx = (peer_rx >> i * 2) & << 81 << 82 peer_tx = le16_to_cpu(*he_peer << 83 peer_tx = (peer_tx >> i * 2) & << 84 << 85 if (peer_tx != IEEE80211_HE_MC << 86 if (own_rx == IEEE8021 << 87 peer_tx = IEEE << 88 else if (own_rx < peer << 89 peer_tx = own_ << 90 } << 91 << 92 if (peer_rx != IEEE80211_HE_MC << 93 if (own_tx == IEEE8021 << 94 peer_rx = IEEE << 95 else if (own_tx < peer << 96 peer_rx = own_ << 97 } << 98 << 99 *he_peer_rx &= << 100 ~cpu_to_le16(IEEE80211 << 101 *he_peer_rx |= cpu_to_le16(pee << 102 << 103 *he_peer_tx &= << 104 ~cpu_to_le16(IEEE80211 << 105 *he_peer_tx |= cpu_to_le16(pee << 106 } << 107 } << 108 << 109 void 11 void 110 ieee80211_he_cap_ie_to_sta_he_cap(struct ieee8 12 ieee80211_he_cap_ie_to_sta_he_cap(struct ieee80211_sub_if_data *sdata, 111 struct ieee8 13 struct ieee80211_supported_band *sband, 112 const u8 *he 14 const u8 *he_cap_ie, u8 he_cap_len, 113 const struct !! 15 struct sta_info *sta) 114 struct link_ << 115 { 16 { 116 struct ieee80211_sta_he_cap *he_cap = !! 17 struct ieee80211_sta_he_cap *he_cap = &sta->sta.he_cap; 117 const struct ieee80211_sta_he_cap *own << 118 struct ieee80211_sta_he_cap own_he_cap << 119 struct ieee80211_he_cap_elem *he_cap_i 18 struct ieee80211_he_cap_elem *he_cap_ie_elem = (void *)he_cap_ie; 120 u8 he_ppe_size; 19 u8 he_ppe_size; 121 u8 mcs_nss_size; 20 u8 mcs_nss_size; 122 u8 he_total_size; 21 u8 he_total_size; 123 bool own_160, peer_160, own_80p80, pee << 124 22 125 memset(he_cap, 0, sizeof(*he_cap)); 23 memset(he_cap, 0, sizeof(*he_cap)); 126 24 127 if (!he_cap_ie) !! 25 if (!he_cap_ie || !ieee80211_get_he_sta_cap(sband)) 128 return; << 129 << 130 own_he_cap_ptr = << 131 ieee80211_get_he_iftype_cap_vi << 132 if (!own_he_cap_ptr) << 133 return; 26 return; 134 27 135 own_he_cap = *own_he_cap_ptr; << 136 << 137 /* Make sure size is OK */ 28 /* Make sure size is OK */ 138 mcs_nss_size = ieee80211_he_mcs_nss_si 29 mcs_nss_size = ieee80211_he_mcs_nss_size(he_cap_ie_elem); 139 he_ppe_size = 30 he_ppe_size = 140 ieee80211_he_ppe_size(he_cap_i 31 ieee80211_he_ppe_size(he_cap_ie[sizeof(he_cap->he_cap_elem) + 141 32 mcs_nss_size], 142 he_cap_i 33 he_cap_ie_elem->phy_cap_info); 143 he_total_size = sizeof(he_cap->he_cap_ 34 he_total_size = sizeof(he_cap->he_cap_elem) + mcs_nss_size + 144 he_ppe_size; 35 he_ppe_size; 145 if (he_cap_len < he_total_size) 36 if (he_cap_len < he_total_size) 146 return; 37 return; 147 38 148 memcpy(&he_cap->he_cap_elem, he_cap_ie 39 memcpy(&he_cap->he_cap_elem, he_cap_ie, sizeof(he_cap->he_cap_elem)); 149 40 150 /* HE Tx/Rx HE MCS NSS Support Field * 41 /* HE Tx/Rx HE MCS NSS Support Field */ 151 memcpy(&he_cap->he_mcs_nss_supp, 42 memcpy(&he_cap->he_mcs_nss_supp, 152 &he_cap_ie[sizeof(he_cap->he_ca 43 &he_cap_ie[sizeof(he_cap->he_cap_elem)], mcs_nss_size); 153 44 154 /* Check if there are (optional) PPE T 45 /* Check if there are (optional) PPE Thresholds */ 155 if (he_cap->he_cap_elem.phy_cap_info[6 46 if (he_cap->he_cap_elem.phy_cap_info[6] & 156 IEEE80211_HE_PHY_CAP6_PPE_THRESHOL 47 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) 157 memcpy(he_cap->ppe_thres, 48 memcpy(he_cap->ppe_thres, 158 &he_cap_ie[sizeof(he_ca 49 &he_cap_ie[sizeof(he_cap->he_cap_elem) + mcs_nss_size], 159 he_ppe_size); 50 he_ppe_size); 160 51 161 he_cap->has_he = true; 52 he_cap->has_he = true; 162 53 163 link_sta->cur_max_bandwidth = ieee8021 !! 54 sta->cur_max_bandwidth = ieee80211_sta_cap_rx_bw(sta); 164 link_sta->pub->bandwidth = ieee80211_s !! 55 sta->sta.bandwidth = ieee80211_sta_cur_vht_bw(sta); 165 << 166 if (sband->band == NL80211_BAND_6GHZ & << 167 ieee80211_update_from_he_6ghz_ << 168 << 169 ieee80211_he_mcs_intersection(&own_he_ << 170 &he_cap- << 171 &own_he_ << 172 &he_cap- << 173 << 174 own_160 = own_he_cap.he_cap_elem.phy_c << 175 IEEE80211_HE_PHY_CAP0_CHANNE << 176 peer_160 = he_cap->he_cap_elem.phy_cap << 177 IEEE80211_HE_PHY_CAP0_CHANN << 178 << 179 if (peer_160 && own_160) { << 180 ieee80211_he_mcs_intersection( << 181 << 182 << 183 << 184 } else if (peer_160 && !own_160) { << 185 ieee80211_he_mcs_disable(&he_c << 186 ieee80211_he_mcs_disable(&he_c << 187 he_cap->he_cap_elem.phy_cap_in << 188 ~IEEE80211_HE_PHY_CAP0 << 189 } << 190 << 191 own_80p80 = own_he_cap.he_cap_elem.phy << 192 IEEE80211_HE_PHY_CAP0_CHAN << 193 peer_80p80 = he_cap->he_cap_elem.phy_c << 194 IEEE80211_HE_PHY_CAP0_CHA << 195 << 196 if (peer_80p80 && own_80p80) { << 197 ieee80211_he_mcs_intersection( << 198 << 199 << 200 << 201 } else if (peer_80p80 && !own_80p80) { << 202 ieee80211_he_mcs_disable(&he_c << 203 ieee80211_he_mcs_disable(&he_c << 204 he_cap->he_cap_elem.phy_cap_in << 205 ~IEEE80211_HE_PHY_CAP0 << 206 } << 207 } 56 } 208 57 209 void 58 void 210 ieee80211_he_op_ie_to_bss_conf(struct ieee8021 59 ieee80211_he_op_ie_to_bss_conf(struct ieee80211_vif *vif, 211 const struct ieee80211 !! 60 const struct ieee80211_he_operation *he_op_ie_elem) 212 { 61 { 213 memset(&vif->bss_conf.he_oper, 0, size !! 62 struct ieee80211_he_operation *he_operation = 214 if (!he_op_ie) !! 63 &vif->bss_conf.he_operation; >> 64 >> 65 if (!he_op_ie_elem) { >> 66 memset(he_operation, 0, sizeof(*he_operation)); 215 return; 67 return; >> 68 } 216 69 217 vif->bss_conf.he_oper.params = __le32_ !! 70 vif->bss_conf.he_operation = *he_op_ie_elem; 218 vif->bss_conf.he_oper.nss_set = __le16 << 219 } 71 } 220 72 221 void 73 void 222 ieee80211_he_spr_ie_to_bss_conf(struct ieee802 74 ieee80211_he_spr_ie_to_bss_conf(struct ieee80211_vif *vif, 223 const struct i 75 const struct ieee80211_he_spr *he_spr_ie_elem) 224 { 76 { 225 struct ieee80211_he_obss_pd *he_obss_p 77 struct ieee80211_he_obss_pd *he_obss_pd = 226 &vif-> 78 &vif->bss_conf.he_obss_pd; 227 const u8 *data; 79 const u8 *data; 228 80 229 memset(he_obss_pd, 0, sizeof(*he_obss_ 81 memset(he_obss_pd, 0, sizeof(*he_obss_pd)); 230 82 231 if (!he_spr_ie_elem) 83 if (!he_spr_ie_elem) 232 return; 84 return; 233 << 234 he_obss_pd->sr_ctrl = he_spr_ie_elem-> << 235 data = he_spr_ie_elem->optional; 85 data = he_spr_ie_elem->optional; 236 86 237 if (he_spr_ie_elem->he_sr_control & 87 if (he_spr_ie_elem->he_sr_control & 238 IEEE80211_HE_SPR_NON_SRG_OFFSET_PR 88 IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT) 239 he_obss_pd->non_srg_max_offset !! 89 data++; 240 << 241 if (he_spr_ie_elem->he_sr_control & 90 if (he_spr_ie_elem->he_sr_control & 242 IEEE80211_HE_SPR_SRG_INFORMATION_P 91 IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT) { 243 he_obss_pd->min_offset = *data << 244 he_obss_pd->max_offset = *data 92 he_obss_pd->max_offset = *data++; 245 memcpy(he_obss_pd->bss_color_b !! 93 he_obss_pd->min_offset = *data++; 246 data += 8; << 247 memcpy(he_obss_pd->partial_bss << 248 he_obss_pd->enable = true; 94 he_obss_pd->enable = true; 249 } 95 } 250 } 96 } 251 97

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TOMOYO Linux Cross Reference
Linux/net/mac80211/he.c

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Differences between /net/mac80211/he.c (Version linux-6.12-rc7) and /net/mac80211/he.c (Version linux-5.7.19)

TOMOYO Linux Cross Reference Linux/net/mac80211/he.c

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Differences between /net/mac80211/he.c (Version linux-6.12-rc7) and /net/mac80211/he.c (Version linux-5.7.19)

TOMOYO Linux Cross Reference
Linux/net/mac80211/he.c